MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which are hosted on compromised websites or disposable domains, suggesting a link farm or phishing attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://mariapolis.es/ckfinder/userfiles/files/garilevagokotinatetife.pdf In PDF document text
- http://ventmetal.ru/userfiles/files/nepon.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/65662912841.pdfIn PDF document text
- https://bitree.com/ckfinder/userfiles/files/87076993109.pdfIn PDF document text
- https://elesud.it/img_pagine/file/laxiwasevatavedopolu.pdfIn PDF document text
- https://ibeguiristain.com/userfiles/files/lulowematet.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/a401d4bb0a4f796e7dabe86e3b22ca4e/fojuritirujom.pdfIn PDF document text
- https://ochronaskory.pl/pliki_user/File/peroninovuwabijuruvadis.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161385444670d1---64336613631.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613368970438b---88227327233.pdfIn PDF document text
- http://krzeptowski.pl/file/70580060450.pdfIn PDF document text
- http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/87717106094.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/161364b22a2d3c---18333647422.pdfIn PDF document text
- http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/90724824530.pdfIn PDF document text
- http://abcbyspu.com/ckfinder/images_store/files/jirona.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/53fb3e0480977e4c792c72ccb4fa2aa1/wulanigolenejugosila.pdfIn PDF document text
- https://apskarota.org/userfiles/file/27967689930.pdfIn PDF document text
- http://zonazero.es/userfiles/file/61420884999.pdfIn PDF document text
- http://elitsatodorova.com/uploadfiles/file/negiguvenodukolidunaxage.pdfIn PDF document text
- https://tekmaker.com/upload/files/rurotizat.pdfIn PDF document text
- http://aerotherminsulation.com/userfiles/file/fukukutikoxovapologode.pdfIn PDF document text
- http://smartpaintingplus.com/userfiles/files/12462407167.pdfIn PDF document text
- http://sakulchaiplace.com/Uploads/file/kenemopipademupovafomej.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=poco+x3+compare+redmi+note+9sPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e88d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE88D | 22072 bytes |
SHA-256: f63a71494b7918707d5837c0701fb3d5831d34ecf28ed44db6db6c22b3a1d0d5 |
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font_01_sfnt_off00012280.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12280 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013a97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A97 | 11072 bytes |
SHA-256: 8d07796156a5e731a6d442d4f878534332275d39fa1973f9ce80f30df7895d68 |
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